Freeman, W. D., Dorsher, P. T., Safford, R. E., Van Gerpen, J., & Edwards, W. D. (2012). Combined pergolide-associated valvular heart disease (PAVHD) and Achilles tendon contractures. Acta Medica Academica, 41(2), 228–230. Retrieved from https://ama.ba/index.php/ama/article/view/159